adds belongs_to product and belongs_to order to Order_item
added model relationships
Merge branch 'master' of https://github.com/JavaRabbit/UselessJunk
Merge branch 'master' into user
adding team's model changes to branch
added user validations
Merge pull request #4 from JavaRabbit/user

User
Merge branch 'user'
Merge branch 'master' of github.com:JavaRabbit/UselessJunk
adds relationships to category and order-item
Merge pull request #5 from JavaRabbit/order-item

Order item
Merge branch 'master' of github.com:JavaRabbit/UselessJunk
Merge branch 'master' of https://github.com/JavaRabbit/UselessJunk
testing order.tb
Merge pull request #6 from JavaRabbit/Order

testing order.tb
Merge branch 'master' of https://github.com/JavaRabbit/UselessJunk
adds products#show action, route, and view
adds reviews to product#show view
added user show by id
all products now shown
added home model and view